TG-TOGO Men's No Show Invisible Colorful Stripe Socks 5 Pairs With Hidden Solid Liner 75% cotton 75% Cotton, 22% Polyester, 3% Spandex Yor Will Receive 5 Different Color Non Slip Silicone Inside The Heel To Prevent Slipping Off Free Size (Shoe Size): 24~27cm / EUR 40~44 / UK 6~9 / US M 7~10 Machine Wash